holocentric chromosome

holocentric chromosome

[‚hō·lə‚sen·trik ′krō·mə‚sōm]
(genetics)
A chromosome with centromer; activity/spread along its entire length.
References in periodicals archive ?
Holocentric chromosome behaviour in Cuscuta (Cuscutaceae).
The extensive karyological differentiation in the Juncaceae is particularly attributed to the presence of a specialized condition: holocentric chromosomes (sometimes referred to holokinetic chromosomes or chromosomes with diffuse kinetic activity).
Moore and colleagues follow with a look at the possibility of a holocentric chromosome ancestor existing between the cereal genomes.
Multiple locations of the rDNA sites in holocentric chromosome of Rhynchospora (Cyperaceae).
Heterochromatin base pair composition and diversification in holocentric chromosomes of kissing bugs (Hemiptera, Reduviidae).
2010; Korinkova & Kral 2013), however, these species possess holocentric chromosomes.
Meiotic behaviour of the holocentric chromosomes of Nezara viridula (Insecta, Heteroptera) analysed by C-banding and silver impregnation.
We need to keep in mind that the study of many other natural systems, for instance species with extreme chiasma localization, holocentric chromosomes, achiasmatic conditions, presence of supernumerary segments, etc., could help to gain new insights into the meiotic process.
Meiotic behaviour of holocentric chromosomes: orientation and segregation of autosomes in Triatoma infestans (Heteroptera).
Holocentric chromosomes are also often described as polycentric or possessing a diffuse centromere.
Ultrastructural characterization of the sex chromosomes during spermatogenesis of spiders having holocentric chromosomes and a long diffuse stage.